Diehl, David C., Dale W. Pract, Larry F. Forthun, and Amy H. Simonne. (2010) 2010. “Food Safety for 4-H Youth: A Survey of Interests and Educational Methods”. Journal of Extension 48 (4). https://archives.joe.org/joe/2010august/a5.php.
A Searchable Database of Research about the 4-H Program